Evidence map›Paper›PMID 39157077›Full record

ArticleACS omega2024

Impact of N-Terminal PEGylation on Synthesis and Purification of Peptide-Based Cancer Epitopes for Pancreatic Ductal Adenocarcinoma (PDAC).

Omar F Luna, Yomkippur V Perez, Daniele P Ferrari, Sana S Sayedipour, Miriam Royo, Gerardo A Acosta, Luis J Cruz, Frauke Alves, Erik Agner, Magne O Sydnes and 1 more

Abstract read
In one paragraph

Article in ACS omega, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Omar F LunaDepartment of Organic Chemistry, University of Barcelona, and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials, and Nanomedicine, Barcelona 08028, Spain.
Yomkippur V PerezPolypure AS, Martin Linges vei 25, Fornebu 1364, Norway.
Daniele P FerrariTranslational Molecular Imaging, Max Planck Institute of Multidisciplinary Sciences, Göttingen 37075, Germany.
Sana S SayedipourDepartment of Radiology, Leiden University Medical Center, Leiden 2333, Netherlands.
Miriam RoyoDepartment of Organic Chemistry, University of Barcelona, and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials, and Nanomedicine, Barcelona 08028, Spain.ORCID https://orcid.org/0000-0001-5292-0819
Gerardo A AcostaDepartment of Organic Chemistry, University of Barcelona, and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials, and Nanomedicine, Barcelona 08028, Spain.
Luis J CruzDepartment of Radiology, Leiden University Medical Center, Leiden 2333, Netherlands.
Frauke AlvesTranslational Molecular Imaging, Max Planck Institute of Multidisciplinary Sciences, Göttingen 37075, Germany.
Erik AgnerPolypure AS, Martin Linges vei 25, Fornebu 1364, Norway.
Magne O SydnesDepartment of Chemistry, Bioscience, and Environmental Engineering, University of Stavanger, Stavanger 4036, Norway.ORCID https://orcid.org/0000-0001-9413-6969
Fernando AlbericioDepartment of Organic Chemistry, University of Barcelona, and CIBER-BBN, Networking Centre on Bioengineering, Biomaterials, and Nanomedicine, Barcelona 08028, Spain.ORCID https://orcid.org/0000-0002-8946-0462

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Peptide-based cancer vaccines have shown promising results in preclinical trials focusing on tumor immunotherapy. However, the presence of hydrophobic amino acid segments within these peptide sequences poses challenges in their synthesis, purification, and solubility, thereby hindering their potential use as cancer vaccines. In this study, we successfully synthesized peptide sequences derived from mesothelin (MSLN), a tumor-associated antigen overexpressed in pancreatic ductal adenocarcinoma (PDAC) by conjugating them with monodisperse polyethylene glycol (PEG). By PEGylating mesothelin epitopes of varying lengths (ranging from 9 to 38 amino acids) and hydrophobicity (60-90%), we achieved an effective method to improve the peptide yield and facilitate the processes of synthesis and purification. PEGylation significantly enhanced the solubility, facilitating the single-step purification of lengthy hydrophobic peptides. Most importantly, PEGylation did not compromise cell viability and had little to no effect on the immunogenicity of the peptides. In contrast, the addition of a palmitoyl group to increase immunogenicity led to reduced yield and solubility. Overall, PEGylation proves to be an effective technique for enhancing the solubility and broadening the range of utility of diverse long hydrophobic peptides.

Identifiers

PMID39157077
PMCPMC11325526

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.